nit: revise comments, reformat config sections
This commit is contained in:
Henrik Lissner
parent
b480ed51a3
commit
07d22adb4a
7 changed files with 116 additions and 86 deletions
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@ -1,4 +1,4 @@
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;;; lisp/doom-start.el --- bootstrapper for interactive sessions -*- lexical-binding: t; -*-
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;;; lisp/doom-start.el --- bootstraps interactive sessions -*- lexical-binding: t; -*-
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;;; Commentary:
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;;; Code:
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@ -6,7 +6,7 @@
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;;
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;;; doom-first-*-hook
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;;; Custom hooks
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(defvar doom-first-input-hook nil
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"Transient hooks run before the first user input.")
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@ -22,8 +22,9 @@
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;;
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;;; Runtime/startup optimizations
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;;; Reasonable defaults for interactive sessions
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;;; Runtime optimizations
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;; A second, case-insensitive pass over `auto-mode-alist' is time wasted.
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(setq auto-mode-case-fold nil)
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@ -51,11 +52,6 @@
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;; Don't ping things that look like domain names.
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(setq ffap-machine-p-known 'reject)
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;; Resizing the Emacs frame can be a terribly expensive part of changing the
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;; font. By inhibiting this, we halve startup times, particularly when we use
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;; fonts that are larger than the system default (which would resize the frame).
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(setq frame-inhibit-implied-resize t)
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;; Emacs "updates" its ui more often than it needs to, so slow it down slightly
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(setq idle-update-delay 1.0) ; default is 0.5
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@ -88,6 +84,23 @@
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w32-pipe-read-delay 0 ; faster IPC
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w32-pipe-buffer-size (* 64 1024))) ; read more at a time (was 4K)
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;; The GC introduces annoying pauses and stuttering into our Emacs experience,
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;; so we use `gcmh' to stave off the GC while we're using Emacs, and provoke it
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;; when it's idle. However, if the idle delay is too long, we run the risk of
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;; runaway memory usage in busy sessions. If it's too low, then we may as well
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;; not be using gcmh at all.
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(setq gcmh-idle-delay 'auto ; default is 15s
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gcmh-auto-idle-delay-factor 10
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gcmh-high-cons-threshold (* 16 1024 1024)) ; 16mb
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(add-hook 'doom-first-buffer-hook #'gcmh-mode)
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;;; Startup optimizations
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;; Resizing the Emacs frame can be a terribly expensive part of changing the
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;; font. By inhibiting this, we halve startup times, particularly when we use
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;; fonts that are larger than the system default (which would resize the frame).
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(setq frame-inhibit-implied-resize t)
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;; Remove command line options that aren't relevant to our current OS; means
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;; slightly less to process at startup.
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(eval-when! (not IS-MAC) (setq command-line-ns-option-alist nil))
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@ -105,10 +118,15 @@
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(add-hook 'window-setup-hook #'doom-init-tty-h))
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;; Reduce *Message* noise at startup. An empty scratch buffer (or the dashboard)
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;; is more than enough.
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;; is more than enough, and faster to display.
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(setq inhibit-startup-screen t
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inhibit-startup-echo-area-message user-login-name
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inhibit-default-init t)
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;; Get rid of "For information about GNU Emacs..." message at startup. It's
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;; redundant with our dashboard and incurs a redraw. In daemon sessions it says
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;; "Starting Emacs daemon" instead, which is fine.
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(unless (daemonp)
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(advice-add #'display-startup-echo-area-message :override #'ignore))
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;; Shave seconds off startup time by starting the scratch buffer in
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;; `fundamental-mode', rather than, say, `org-mode' or `text-mode', which pull
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@ -117,20 +135,8 @@
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(setq initial-major-mode 'fundamental-mode
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initial-scratch-message nil)
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;; The GC introduces annoying pauses and stuttering into our Emacs experience,
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;; so we use `gcmh' to stave off the GC while we're using Emacs, and provoke it
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;; when it's idle. However, if the idle delay is too long, we run the risk of
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;; runaway memory usage in busy sessions. If it's too low, then we may as well
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;; not be using gcmh at all.
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(setq gcmh-idle-delay 'auto ; default is 15s
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gcmh-auto-idle-delay-factor 10
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gcmh-high-cons-threshold (* 16 1024 1024)) ; 16mb
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(add-hook 'doom-first-buffer-hook #'gcmh-mode)
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;;
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;;; Reasonable defaults for interactive sessions
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;;; Language
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;; Contrary to what many Emacs users have in their configs, you don't need more
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;; than this to make UTF-8 the default coding system:
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(set-language-environment "UTF-8")
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@ -142,12 +148,8 @@
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(eval-when! IS-WINDOWS
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(setq selection-coding-system 'utf-8))
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;; Get rid of "For information about GNU Emacs..." message at startup. It's
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;; redundant with our dashboard. However, in daemon sessions it says "Starting
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;; Emacs daemon." instead, which is fine.
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(unless (daemonp)
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(advice-add #'display-startup-echo-area-message :override #'ignore))
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;;; User interface
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;; GUIs are inconsistent across systems, will rarely match our active Emacs
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;; theme, and impose their shortcut key paradigms suddenly. Let's just avoid
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;; them altogether and have Emacs handle the prompting.
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@ -162,6 +164,14 @@
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(setq split-width-threshold 160
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split-height-threshold nil)
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;; Add support for additional file extensions.
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(dolist (entry '(("/\\.doom\\(?:rc\\|project\\|module\\|profile\\)\\'" . emacs-lisp-mode)
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("/LICENSE\\'" . text-mode)
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("\\.log\\'" . text-mode)
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("rc\\'" . conf-mode)
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("\\.\\(?:hex\\|nes\\)\\'" . hexl-mode)))
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(push entry auto-mode-alist))
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;;
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;;; MODE-local-vars-hook
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@ -272,7 +282,7 @@ If this is a daemon session, load them all immediately instead."
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;;
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;;; Let 'er rip
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;;; Benchmark
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(defvar doom-init-time nil
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"The time it took, in seconds, for Doom Emacs to initialize.")
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@ -289,13 +299,6 @@ If RETURN-P, return the message as a string instead of displaying it."
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(setq doom-init-time
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(float-time (time-subtract (current-time) before-init-time))))))
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;; Add support for additional file extensions.
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(dolist (entry '(("/\\.doom\\(?:rc\\|project\\|module\\|profile\\)\\'" . emacs-lisp-mode)
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("/LICENSE\\'" . text-mode)
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("\\.log\\'" . text-mode)
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("rc\\'" . conf-mode)
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("\\.\\(?:hex\\|nes\\)\\'" . hexl-mode)))
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(push entry auto-mode-alist))
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;; Doom caches a lot of information in `doom-autoloads-file'. Module and package
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;; autoloads, autodefs like `set-company-backend!', and variables like
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